Merge pull request #3286 from ZivYan/issue#3281

add testcase for #3281

src/test/java/com/alibaba/json/bvt/issue_3200/Issue3281.java

@@ -0,0 +1,60 @@
+package com.alibaba.json.bvt.issue_3200;
+
+import com.alibaba.fastjson.JSON;
+import junit.framework.TestCase;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import org.junit.Assert;
+
+import java.util.Date;
+import java.util.HashMap;
+
+/**
+ * @Author ：Nanqi
+ * @Date ：Created in 10:47 2020/6/22
+ * @Description：补充测试用例
+ */
+public class Issue3281 extends TestCase {
+    public void test_for_issue() {
+        ModelState modelBack = JSON.parseObject("{\"counterMap\":{\"0\":0,\"100\":0,\"200\":0,\"300\":0,\"400\":0," +
+                "\"500\":0,\"600\":0,\"700\":0,\"800\":0,\"900\":0,\"1000\":0},\"formatDate\":null," +
+                "\"modelName\":\"test\",\"modelScores\":{\"Test1-1000\":{\"max\":1.0997832999999515,\"min\":0.0," +
+                "\"recording\":false}},\"modelVersion\":\"1\",\"pit\":1592470429399,\"useCaseName\":\"test\"," +
+                "\"variableName\":\"v2\"}", ModelState.class);
+        Assert.assertNotNull(modelBack.getCounterMap());
+        Assert.assertNotNull(modelBack.getModelScores());
+    }
+
+    @Builder
+    @Data
+    @AllArgsConstructor
+    public static class ModelState {
+        private HashMap<String, Long> counterMap;
+
+        private Date formatDate;
+
+        private HashMap<String, TGigest> modelScores;
+
+        private String modelName;
+
+        private Long modelVersion;
+
+        private Long pit;
+
+        private String useCaseName;
+
+        private String variableName;
+    }
+
+    @Builder
+    @Data
+    @AllArgsConstructor
+    public static class TGigest {
+        private Double max;
+
+        private Double min;
+
+        private Boolean recording;
+    }
+}